Patents by Inventor Hwan-Kyu Jung

Hwan-Kyu Jung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composition for manufacturing secondary battery separator and secondary battery including the same
    Patent number: 11462802
    Abstract: The present disclosure relates to a composition for manufacturing a secondary battery separator having excellent electrical conductivity and capable of minimizing occurrence of black scum on an electrode and a secondary battery thereof. The composition for manufacturing a secondary battery separator according to the present disclosure includes a polyethylene resin and an ionic liquid lubricant composition. The ionic liquid lubricant composition includes a pore-controlling agent, an ionic liquid, and paraffinic oil.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 4, 2022
    Assignees: SK Innovation Co., Ltd., SK Lubricants Co., Ltd.
    Inventors: Hyeung-Jin Lee, Hwan-Kyu Jung, Hyo-Shin Kwak, Sang-Hye Shin
  • Composition for Manufacturing Secondary Battery Separator and Secondary Battery Including the Same
    Publication number: 20190312248
    Abstract: The present disclosure relates to a composition for manufacturing a secondary battery separator having excellent electrical conductivity and capable of minimizing occurrence of black scum on an electrode and a secondary battery thereof. The composition for manufacturing a secondary battery separator according to the present disclosure includes a polyethylene resin and an ionic liquid lubricant composition. The ionic liquid lubricant composition includes a pore-controlling agent, an ionic liquid, and paraffinic oil.
    Type: Application
    Filed: December 12, 2017
    Publication date: October 10, 2019
    Inventors: Hyeung-Jin Lee, Hwan-Kyu Jung, Hyo-Shin Kwak, Sang-Hye Shin
  • Ethylene alpha olefin polymer formed by use of metallocene catalyst
    Patent number: 8436113
    Abstract: There is provided a method for producing copolymer that is composed of ethylene and alpha-olefin by a solution polymerization, and more specifically, a method for producing copolymer that is composed of ethylene and aromatic monomer as main components by using a transition metal catalyst including a cyclopentadiene derivative, and one or more anionic ligand having aryloxy group in which an aryl derivative is substituted at an ortho-position
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 7, 2013
    Assignees: SK Innovations Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Hwan Kyu Jung, Young Wook Kim, Byoung Tak Yim, Ho Seong Lee, Myung Ahn Ok, Jong Sok Hahn, Dong Cheol Shin
  • ETHYLENE ALPHA OLEFIN POLYMER FORMED BY USE OF METALLOCENE CATALYST
    Publication number: 20110152475
    Abstract: There is provided a method for producing copolymer that is composed of ethylene and alpha-olefin by a solution polymerization, and more specifically, a method for producing copolymer that is composed of ethylene and aromatic monomer as main components by using a transition metal catalyst including a cyclopentadiene derivative, and one or more anionic ligand having aryloxy group in which an aryl derivative is substituted at an ortho-position
    Type: Application
    Filed: December 14, 2010
    Publication date: June 23, 2011
    Applicant: SK ENERGY CO., LTD.
    Inventors: Hwan Kyu JUNG, Young Wook KIM, Byoung Tak YIM, Ho Seong LEE, Myung Ahn OK, Jong Sok HAHN, Dong Cheol SHIN
  • Thermoplastic elastomer composition and method for preparing the same
    Patent number: 7517935
    Abstract: Disclosed is a thermoplastic elastomer composition comprising 100 parts by weight of EPDM rubber, 5-1,000 parts by weight of styrenic thermoplastic elastomer, 50-3,000 parts by weight of paraffin oil, 10-200 parts by weight of a polyolefin resin as a curative, 1-15 parts by weight of a phenolic resin, and 0.5-5 parts by weight of a curing activator. The composition is superior in flowability, mechanical properties and oil resistance as well as being low in hardness, so that it can be applied for automobile parts.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: April 14, 2009
    Assignee: Hyundai Engineering Plastics Co., Ltd.
    Inventors: Hae-Won Lee, Young-Keun Lee, Hwan-Kyu Jung, Tae-Won Park
  • Thermoplastic elastomer composition and method for preparing the same
    Publication number: 20050043485
    Abstract: Disclosed is a thermoplastic elastomer composition comprising 100 parts by weight of EPDM rubber, 5-1,000 parts by weight of styrenic thermoplastic elastomer, 50-3,000 parts by weight of paraffin oil, 10-200 parts by weight of a polyolefin resin as a curative, 1-15 parts by weight of a phenolic resin, and 0.5-5 parts by weight of a curing activator. The composition is superior in flowability, mechanical properties and oil resistance as well as being low in hardness, so that it can be applied for automobile parts.
    Type: Application
    Filed: July 28, 2004
    Publication date: February 24, 2005
    Inventors: Hae-Won Lee, Young-Keun Lee, Hwan-Kyu Jung, Tae-Won Park